| Patents for E21D 11 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (7,167) |
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| 08/31/1982 | US4347018 Lining or relining of tunnels |
| 08/04/1982 | EP0057082A2 Composite arch structure |
| 07/20/1982 | US4340254 Method of mining heavy coal seams in two or more benches |
| 06/22/1982 | US4335556 Frame girder for underground drift and shaft construction |
| 05/26/1982 | EP0052292A1 Process and device for advancing a slidable shuttering |
| 05/11/1982 | USRE30929 Collapsible tunnel liner section and method of lining a tunnel |
| 05/11/1982 | US4328994 Mining apparatus and method |
| 04/20/1982 | US4325414 Hollow body assemblies |
| 03/24/1982 | EP0047897A1 Closed tunnel liner, especially for underground galleries |
| 03/10/1982 | EP0046818A1 Sliding clamping assembly for mine roof support arches |
| 03/09/1982 | US4318637 Process and device for the assembly of voussoirs for tunnel linings |
| 03/09/1982 | US4318636 Tunnel lining, segment therefore and method of lining a tunnel |
| 02/16/1982 | US4315701 Shuttering for erecting a concrete tunnel lining |
| 02/16/1982 | US4315657 Gas seal for an in situ oil shale retort and method of forming thermal barrier |
| 02/16/1982 | US4315410 Method and apparatus for making ice blocks |
| 01/12/1982 | CA1115972A1 Method and device for building in the ground vertical walled structures starting from a subterranean conduit |
| 12/29/1981 | CA1115072A1 Method of manufacturing building elements and building |
| 12/15/1981 | US4305683 Tubular element for tunnel construction |
| 12/15/1981 | US4305561 Clamp |
| 11/24/1981 | US4302133 Device for supporting a gallery or a tunnel |
| 11/24/1981 | CA1112884A1 Complex process and machine group for the support of underground cavities and cavity systems |
| 11/24/1981 | CA1112883A1 Lined cavity in the earth |
| 11/18/1981 | EP0040096A1 Yieldable support element |
| 11/10/1981 | US4299633 Coating the surface of a fine aggregate to form shells |
| 11/04/1981 | EP0039068A1 Sealing for profile parts |
| 10/27/1981 | US4297414 Reinforcing material for hydraulic substances and method for the production thereof |
| 10/14/1981 | EP0037807A1 Temporary roof supporting device for galleries or tunnels |
| 09/30/1981 | EP0036449A1 Trough sections for mine supports |
| 09/16/1981 | EP0035921A1 Rapidly setting mortar composition based on anhydrite, and process for sustaining mine galleries with this mortar |
| 09/15/1981 | CA1108875A1 Tunnel lining, segment therefore and method of lining a tunnel |
| 09/09/1981 | EP0035281A2 Method and apparatus of blowing mortar or the like |
| 09/08/1981 | CA1108419A1 Device for supporting a gallery or a tunnel |
| 08/19/1981 | EP0033820A2 Tubbing, use of this tubbing and method of constructing it |
| 08/05/1981 | EP0033281A1 Apparatus for the projection of a wall plastering, in particular for an excavation |
| 08/04/1981 | CA1106197A1 Wall segments |
| 07/28/1981 | US4280771 Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings |
| 06/23/1981 | US4274762 Prestressed rock truss |
| 06/10/1981 | EP0029921A1 Process for the protection against falling rocks or coal from the face breast during underground gallery driving |
| 05/05/1981 | US4265571 Cable sling for support and stabilization of underground openings |
| 04/21/1981 | US4263005 Device for provisionally consolidating a gallery and suitable consolidating frame |
| 04/14/1981 | US4261670 Process for the protection of galleries |
| 04/08/1981 | EP0026438A2 Propping aid for sustaining the propping sections and for safeguarding the excavation area in rills and galleries |
| 04/07/1981 | US4260297 Machines for positioning roof supports in a tunnel |
| 03/18/1981 | EP0025307A1 Apparatus for and a method of erecting an underground roadway support |
| 02/25/1981 | EP0024157A1 Method of lining or relining tunnels and tunnels lined or relined by such a method |
| 02/24/1981 | US4252917 Hydrophilic polymer and process for producing the same |
| 02/24/1981 | US4252464 Device for limiting stresses in particular for buried tubular structures |
| 02/17/1981 | US4251168 Fastening means for roof mats for mine workings |
| 02/11/1981 | EP0023619A1 Two-part clamping device |
| 02/10/1981 | CA1095562A1 Conveyor-mounted vehicle |
| 02/03/1981 | CA1094833A1 Device for provisionally consolidating a gallery and suitable consolidating frame |
| 01/27/1981 | US4247221 Process for lining tunnels |
| 01/20/1981 | US4245926 Welded grid, primarily for securing underground cavities, cavity systems, as well as process for making the grid |
| 01/14/1981 | EP0022248A1 Hollow body to be composed of separate elements |
| 12/23/1980 | US4240665 Conveyor mounted vehicle |
| 12/23/1980 | CA1092276A1 Process for the production of self-swelling leakage- preventing materials |
| 12/16/1980 | US4239416 Lined cavity in the earth |
| 12/16/1980 | CA1091458A1 Welded grid primarily for supporting underground cavities and cavity systems as well as a process |
| 10/15/1980 | EP0017313A1 Method of constructing a lined tunnel, and lining segment therefor |
| 09/30/1980 | US4225086 Method and a device for adding material in an air stream to a nozzle |
| 07/09/1980 | EP0012823A1 Lining for underground cavities |
| 06/11/1980 | EP0011627A1 Tunnel lining, segment therefore and method of lining a tunnel. |
| 04/22/1980 | US4199158 Profiled gasket for sealing tunnel segment joints |
| 04/02/1980 | EP0009371A1 The sealing of leaks in tanks and the like |
| 04/02/1980 | EP0009056A1 Method of manufacturing concrete tubular building elements |
| 04/01/1980 | US4195850 Gasket strip for butt joint compression seal |
| 03/25/1980 | CA1125039B Collapsible tunnel liner section and method of lining a tunnel |
| 03/25/1980 | CA1074143A1 Injection sealable waterstop and method of installing same |
| 03/19/1980 | EP0009011A1 A concrete spraying apparatus |
| 02/26/1980 | US4190292 Process for suppressing dust in mines |
| 02/26/1980 | CA1072353A2 Fastening means for roof mats for mine workings |
| 02/06/1980 | EP0007413A1 Process for sealing of walls from water pressure or infiltration |
| 02/06/1980 | EP0007357A1 Device and process for driving galleries with a shield |
| 02/05/1980 | US4187037 Wall supporting arrangement, especially for supporting mine gallery walls |
| 01/22/1980 | US4184302 Bonded assembly |
| 01/22/1980 | CA1070075A1 Connector for bolted joints |
| 01/08/1980 | US4182262 Apparatus for impregnating a tube |
| 01/01/1980 | US4181484 Device for forming underground pipelines |
| 12/04/1979 | CA1067397A1 Method and means for lining deep shafts |
| 12/04/1979 | CA1067301A1 Method for dry spraying calcium sulfate hemi-hydrate |
| 11/15/1979 | WO1979000921A1 Tunnel lining,segment therefore and method of lining a tunnel |
| 11/06/1979 | US4173430 Method of injecting a back filling injection material in a shield forming process |
| 11/06/1979 | US4173421 Shield apparatus for use in tunnelling or mining |
| 08/22/1979 | EP0003707A1 Device for assembling two adjacent channel arch members of a gallery lining |
| 08/14/1979 | CA1060224A1 Shutterings |
| 07/10/1979 | US4160609 Connector for bolted joints |
| 06/19/1979 | CA1056611A1 Method for removing resilient gallery lining frames |
| 06/12/1979 | CA1056169A1 Composite arch structure |
| 05/22/1979 | US4155957 Crosslinking olefin-maleic anhydride copolymer with an ethylene-vinyl acetate copolymer |
| 05/22/1979 | US4155668 Sealing means for the drive members of drive shields |
| 05/08/1979 | CA1053920A1 Method of lining tunnelling galleries and the like |
| 04/05/1979 | WO1979000159A1 Device and process for driving galleries with a shield |
| 04/03/1979 | US4147453 Method of, and apparatus for, driving and lining tunnels |
| 04/03/1979 | US4147452 Method for constructing a rectangularly shaped tunnel |
| 04/03/1979 | US4147449 Protection conduit line for laying underground cables |
| 03/21/1979 | EP0001046A1 Device for sealing joints between construction elements, primarily between reinforced-concrete tubbings |
| 03/13/1979 | CA1050290A1 Device for consecutively supporting a drift |
| 02/20/1979 | CA1048801A1 Continuous roof support system for tunnel boring |
| 01/16/1979 | CA1046297A1 Precast element for the construction of trenched structures and the process related thereto |
| 01/09/1979 | US4133472 Method of shipping and assembling rectangular structural unit |